<template>
  <div class='login-container'>
    <el-form
      ref='loginForm'
      :model='loginForm'
      :rules='loginRules'
      class='login-form'
      auto-complete='on'
      label-position='left'
    >
      <div class='title-container'>
        <h3 class='title'>
          <img src='@/assets/common/login-logo.png' alt='' />
        </h3>
      </div>

      <el-form-item prop='mobile'>
        <span class='svg-container'>
          <svg-icon icon-class='user' />
        </span>
        <el-input
          ref='mobile'
          v-model='loginForm.mobile'
          placeholder='请输入手机号'
          name='mobile'
          type='text'
          tabindex='1'
          auto-complete='on'
        />
      </el-form-item>

      <el-form-item prop='password'>
        <span class='svg-container'>
          <svg-icon icon-class='password' />
        </span>
        <el-input
          :key='passwordType'
          ref='password'
          v-model='loginForm.password'
          :type='passwordType'
          placeholder='请输入密码'
          name='password'
          tabindex='2'
          auto-complete='on'
          @keyup.enter.native='handleLogin'
        />
        <span class='show-pwd' @click='showPwd'>
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button
        :loading='loading'
        type='primary'
        style='width: 100%; margin-bottom: 30px'
        @click.native.prevent='handleLogin'
      >Login
      </el-button
      >

      <div class='tips'>
        <span style='margin-right: 20px'>账号: 13800000002</span>
        <span> 密码: 123456</span>
      </div>
    </el-form>
  </div>
</template>

<script>
import { validMobile } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateMobile = (rule, value, callback) => {
      // if (!validMobile(value)) {
      //   callback(new Error('手机号格式不正确'))
      // } else {
      //   callback()
      // }
      validMobile(value) ? callback() : callback(new Error('手机号不正确'))
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6 || value.length > 16) {
        callback(new Error('密码必须在6-16位之间'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [
          { required: true, trigger: 'blur', message: '手机号不能为空' },
          { validator: validateMobile, trigger: 'blur' }
        ],
        password: [
          { required: true, trigger: 'blur', validator: validatePassword }
        ]
      },
      // loading加载状态
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(async valid => {
        try {
          if (valid) {
            this.loading = true
            await this.$store.dispatch('user/userLogin', this.loginForm)
            this.$router.push('/')
            this.loading = false
          }
        } catch (err) {
          this.loading = false
        }
      })
    }
  }
}
</script>

<style lang='scss'>
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: rgb(65, 117, 185);
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 45px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 45px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }

  .el-form-item__error {
    color: rgb(255, 0, 0);
  }
}
</style>

<style lang='scss' scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
